1The jejune plot of the novel failed to engage readers, who found the characters one-dimensional and the dialogue trite.
2Is it not jejune to assume that all human experience can be reduced to a set of simplistic moral lessons?
3The professor's jejune remarks about the 'evils of modernity' were met with eye-rolls from the more worldly students.
4Avoid jejune language in your writing; instead, strive for nuance and complexity in your arguments.
5There is something profoundly jejune about the notion that one can 'find oneself' through a series of shallow, consumerist experiences.